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Stroke, Vol 23, 1010-1013, Copyright © 1992 by American Heart Association

ARTICLES

Early recurrent ischemic stroke. A case-control study

LB Goldstein and A Perry
Department of Medicine, Duke University Medical Center, Durham, N.C.

BACKGROUND AND PURPOSE: Data concerning potentially treatable risk factors for early recurrent stroke are limited. Therefore, we carried out a retrospective case-control study to identify factors predisposing to early reinfarction. SUMMARY OF REVIEW: We identified all patients admitted to Duke University Hospital or the Durham Veterans Administration Medical Center during 1 year having two documented ischemic strokes within 90 days (n = 12 of 273). Twelve randomly selected patients matched for age, sex, and race but having only a single stroke served as controls. There were no significant differences between the groups with respect to a variety of factors including the presence of hypertension, diabetes, a history of transient ischemic attack, a history of stroke, cerebral site of the index stroke, and subtype of the index stroke. A potential cardioembolic source was more frequently identified in the patients with early recurrent stroke (seven of the 12 case-control pairs were discordant for a potential cardioembolic source; McNemar's chi 2 test, p less than or equal to 0.02). CONCLUSIONS: Of the variables examined, the presence of a potential cardioembolic source was the single statistically significant factor associated with reinfarction within the first 90 days after ischemic stroke. The limitations and possible therapeutic implications of these results are discussed.

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